CN108449707B - Wearable device and positioning method thereof - Google Patents

Wearable device and positioning method thereof Download PDF

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Publication number
CN108449707B
CN108449707B CN201810190876.5A CN201810190876A CN108449707B CN 108449707 B CN108449707 B CN 108449707B CN 201810190876 A CN201810190876 A CN 201810190876A CN 108449707 B CN108449707 B CN 108449707B
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base station
wearable device
information
motion state
previous
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CN108449707A (en
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黄学飞
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Shenzhen Waterward Information Co Ltd
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Shenzhen Water World Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/025—Services making use of location information using location based information parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/029—Location-based management or tracking services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Abstract

According to the wearable device and the positioning method thereof, whether large change occurs or not is judged by comparing the motion state information and the network state information of the wearable device within a period of time, and if the motion state information and the network state information do not have large change, the position information acquired last time is sent to the server. Under the condition that the current motion state information and the current network state information monitored by the wearable device do not change greatly, the position of the wearable device can be presumed not to change greatly. Therefore, under the condition that the person under guardianship does not generate position change with larger distance, the wearable device does not need to start the GPS or WIFI, and the power consumption of the device is greatly reduced.

Description

Wearable device and positioning method thereof
Technical Field
The invention relates to the field of wearable equipment, in particular to wearable equipment and a positioning method thereof.
Background
In recent years, along with the rapid development of science and technology, wearable equipment is updated very fast, and the functions of products can be provided and increased. The added product functions usually increase the system power consumption of the equipment and reduce the endurance time of the equipment.
In wearable products, positioning is an important function. For example, in a child watch, in order to obtain accurate position information, GPS positioning and WIFI positioning functions are introduced in addition to the base station positioning of the child watch. However, the power consumption of both positioning modes is relatively high, which is a very troublesome problem for wearing products with generally small battery capacity.
Most wearable products with accurate positioning functions on the market have short universal endurance time, and the use experience of users is seriously influenced.
Disclosure of Invention
The invention mainly aims to provide wearable equipment and a positioning method thereof, which can reduce the power consumption of positioning and use and prolong the endurance time of the equipment.
The invention provides a positioning method of wearable equipment, which comprises the following steps:
the wearable device acquires current motion state information and current network state information of the wearable device according to the position query instruction;
comparing the current motion state information with previous motion state information acquired in the last position inquiry to acquire motion state change information, and judging whether the motion state change information meets a preset motion state condition; comparing the current network state information with previous network state information acquired in the last position inquiry to acquire network state change information, and judging whether the network state change information meets a preset network state condition;
and if the position information meets the conditions, outputting the position information acquired in the previous position query.
Preferably, the step of acquiring, by the wearable device, the current motion state information of the wearable device according to the location query instruction includes:
the wearable device obtains the current step value detected by the wearable device according to the position inquiry instruction.
Preferably, the step of comparing the current motion state information with previous motion state information acquired in the previous position query to acquire motion state change information, and determining whether the motion state change information meets a preset motion state condition includes:
comparing the current step number value with a previous step number value obtained in the last position inquiry to obtain a step number difference value, and judging whether the step number difference value is smaller than a preset step number threshold value or not;
and if the step number difference value is smaller than the preset step number threshold value, determining that the motion state change meets a preset motion state condition.
Preferably, the step of acquiring, by the wearable device, current network state information of the wearable device according to the location query instruction includes:
and the wearable equipment acquires the current base station number and the base station identification ID monitored by the wearable equipment according to the position inquiry instruction.
Preferably, the step of comparing the current network state information with previous network state information acquired in the previous position query to acquire network state change information, and determining whether the network state change information meets a preset network state condition includes:
comparing the base station number and the base station identification ID with the previous base station number and base station identification ID acquired in the previous position inquiry, and judging whether the number of the same base station identification ID is not less than a preset base station number threshold value or not;
and if the number of the same base station identification IDs is not less than the preset base station number threshold, determining that the network state change information meets the preset network state condition.
Preferably, after the step of comparing the current motion state information with previous motion state information acquired in the previous position query to acquire motion state change information and determining whether the motion state change information meets a preset motion state condition, the method further includes:
if not, the positioning module is started to acquire the current position information.
Preferably, the step of outputting the previous location information includes:
and sending the prior position information to a server.
Preferably, the step of sending the location information obtained in the previous location query to the server includes:
and sending the GPS data, the WiFi ID and the base station identification ID which are detected by the wearable device in advance to a server.
Preferably, after the step of sending the GPS data, the wifi ID, and the base station identification ID detected by the wearable device to the server, the method further includes:
processing the GPS data, the WiFiID and the base station identification ID through the server to obtain accurate position information of the wearable device;
and sending the accurate position information to a monitoring terminal through the server.
In another aspect of the present invention, a wearable device is further provided, including:
the information acquisition module is used for acquiring current motion state information and current network state information of the wearable device according to the position query instruction;
the first judgment module is used for comparing the current motion state information with previous motion state information acquired in the last position inquiry, acquiring motion state change information and judging whether the motion state change information meets a preset motion state condition;
the second judgment module is used for comparing the current network state information with the previous network state information acquired in the last position inquiry to acquire network state change information and judging whether the network state change information meets the preset network state condition or not;
and the output module is used for outputting the position information acquired in the last position inquiry if the position information meets the conditions.
Preferably, the information obtaining module includes:
and the step number obtaining unit is used for obtaining the current step number value detected by the wearable device according to the position inquiry instruction.
Preferably, the first judging module includes:
the step number comparison unit is used for comparing the current step number value with a previous step number value obtained in the last position inquiry to obtain a step number difference value and judging whether the step number difference value is smaller than a preset step number threshold value or not;
and the motion state judgment unit is used for determining that the motion state change meets a preset motion state condition if the step number difference value is smaller than the preset step number threshold value.
Preferably, the information obtaining module includes:
and the base station identification ID and number obtaining unit is used for obtaining the number of the base stations and the base station identification ID monitored by the wearable equipment according to the position inquiry instruction.
Preferably, the second determination module includes:
the base station comparison unit is used for comparing the base station number and the base station identification ID with the previous base station number and the base station identification ID acquired in the previous position inquiry, and judging whether the number of the same base station identification ID is not less than a preset base station number threshold value or not;
and the network state judging unit is used for determining that the network state change information accords with a preset network state condition if the number of the same base station identification IDs is not less than the preset base station number threshold.
Preferably, the method further comprises the following steps:
and the positioning module is used for starting the positioning module to acquire the current position information if the first judgment module does not meet the condition.
Preferably, the output module includes:
a sending unit, configured to send the previous location information to a server.
Preferably, the transmitting unit includes:
and the sending subunit is used for sending the GPS data, the WiFi ID and the base station identification ID which are detected by the wearable device to a server.
Preferably, the output module further includes:
the data processing unit is used for processing the GPS data, the WiFiID and the base station identification ID through the server to obtain accurate position information of the wearable device;
and the sending result unit is used for sending the accurate position information to the monitoring terminal through the server.
According to the wearable device and the positioning method thereof, whether large change occurs or not is judged by comparing the current motion state information and the current network state information of the wearable device within a period of time, and if no large change occurs, the position information acquired last time is sent to a server. Under the condition that the current motion state information and the current network state information monitored by the wearable device do not change greatly, the position of the wearable device can be presumed not to change greatly. Therefore, under the condition that the person under guardianship does not generate position change with larger distance, the wearable device does not need to start the GPS or WIFI, and the power consumption of the device is greatly reduced.
Drawings
Fig. 1 is a schematic flowchart of a positioning method of a wearable device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a wearable device according to an embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, an embodiment of the present invention provides a positioning method for a wearable device, including:
s10, the wearable device acquires current motion state information and current network state information of the wearable device according to the position inquiry instruction;
s20, comparing the current motion state information with previous motion state information acquired in the previous position inquiry to acquire motion state change information, and judging whether the motion state change information meets a preset motion state condition; comparing the current network state information with previous network state information acquired in the last position inquiry to acquire network state change information, and judging whether the network state change information meets a preset network state condition;
and S30, if the conditions are met, outputting the position information acquired in the previous position inquiry.
A wearable device is a portable device that is worn directly on the body or integrated into the clothing or accessories of the user. Wearable devices exist in the form of portable accessories which have a part of computing functions and can be connected with mobile phones and various terminals, and the mainstream product forms include watch types (including products such as watches and wristbands) which are supported by wrists, shoes types (including shoes, socks or other future leg wearing products) which are supported by feet, Glass types (including glasses, helmets, headbands and the like) which are supported by heads, and various non-mainstream product forms such as smart clothes, schoolbag, crutch, accessories and the like.
In this embodiment, the wearable device has an accurate positioning function. A wearable device may refer to a device worn by a guardian to obtain a precise location of a monitored subject. The monitored objects include but are not limited to children, the elderly, other non-behavioral individuals, and pets. Since the wearable device is worn on the monitored subject, the position of the wearable device is consistent with the position of the monitored subject.
In step S10, the location query instruction is mainly used to query the location of the monitored subject, i.e., the precise location of the wearable device. The location query instruction may be issued by a monitoring terminal used by the guardian. The monitoring terminal can be a smart phone or a tablet computer. The motion state information refers to motion data monitored by a motion sensor on the wearable device. The motion state information is obtained to determine whether the wearable device has a large displacement. The network state information refers to network state data monitored by a radio frequency module on the wearable device. The network state information is acquired to judge the network environment where the wearable device is located, particularly the data of the base station is changed greatly, so as to judge whether the wearable device generates large displacement.
In step S20, the wearable device records data related to the last acquired position information, including previous position information and previous motion state information corresponding to the previous position information. And comparing the current motion state information with the previous motion state information to judge whether the motion state of the wearable equipment has larger change. If the motion state of the wearable device is larger than the preset motion state threshold value, the monitored object wearing the wearable device makes a certain amount of motion, and the monitored object may be far away from the original position.
The wearable device also records the prior network state information when the position information is obtained last time. And comparing the current network state information with the prior network state information to judge whether the network environment of the wearable equipment has larger change. The network status information herein mainly refers to the base station identification ID and the number monitored by the wearable device. If the base station identification ID and the number monitored by the wearable device are changed greatly, the wearable device is indicated to have large displacement.
In step S30, if the monitored object has no great change in motion state and the network environment where the monitored object is located is approximately unchanged, it indicates that the location where the wearable device is located has no great change. At this time, the previous location information obtained last time may be sent to the server in response to the location query instruction. Because the position of the wearable device is not changed greatly, the device directly uses the prior position information without starting a positioning module, and the purposes of quick positioning and power consumption reduction are achieved.
Optionally, the step of acquiring, by the wearable device according to the location query instruction, current motion state information of the wearable device includes:
the wearable device obtains the current step value detected by the wearable device according to the position inquiry instruction.
In this embodiment, the current motion state information is a step value detected by the wearable device. An accelerometer may be provided in the wearable device to measure step values. When receiving the location query instruction, the wearable device acquires and records the current step value.
Optionally, the step of comparing the current motion state information with previous motion state information obtained in the previous position query to obtain motion state change information, and determining whether the motion state change information meets a preset motion state condition includes:
comparing the current step number value with a previous step number value obtained in the last position inquiry to obtain a step number difference value, and judging whether the step number difference value is smaller than a preset step number threshold value or not;
and if the step number difference value is smaller than the preset step number threshold value, determining that the motion state change meets a preset motion state condition.
In this embodiment, when the current motion state information is the step number value detected by the wearable device, the wearable device subtracts the current step number value from the step number value detected and recorded last time, and calculates a difference value. And then comparing the difference value with a preset step threshold value. If the difference value is smaller than the preset step number threshold value, the monitored object only moves in a small range, and the position of the monitored object is basically unchanged. If the difference value is greater than or equal to the preset step number threshold value, it indicates that the monitored object only moves in a large range, the position of the monitored object is changed greatly, and the monitored object needs to obtain the position of the monitored object again.
Optionally, the step of acquiring, by the wearable device according to the location query instruction, current network state information of the wearable device includes:
and the wearable equipment acquires the current base station number and the base station identification ID monitored by the wearable equipment according to the position inquiry instruction.
In this embodiment, the wearable device further determines whether the wearable device has displaced by monitoring a network environment in which the device is located. For example, when the monitored object is in a moving vehicle, the motion sensor cannot monitor the displacement information of the monitored object. It is important to monitor the network environment where the wearable device is located. Because each base station has its own specific ID, the ID and number of base station identifications monitored at different locations will be different. Whether the monitored object leaves the original position or not can be judged according to the monitored base station identification IDs and different numbers.
Optionally, the step of comparing the current network state information with previous network state information obtained in the previous position query to obtain network state change information, and determining whether the network state change information meets a preset network state condition includes:
comparing the base station number and the base station identification ID with the previous base station number and base station identification ID acquired in the previous position inquiry, and judging whether the number of the same base station identification ID is not less than a preset base station number threshold value or not;
and if the number of the same base station identification IDs is not less than the preset base station number threshold, determining that the network state change information meets the preset network state condition.
In this embodiment, the wearable device determines whether the monitored object leaves the original location according to the monitored base station identifiers ID and the monitored base station identifiers in different numbers. For example, the wearable device monitors 3 base station signals at the last time, namely, the base station a, the base station B, and the base station C, and monitors 3 base station signals at the present time, namely, the base station a, the base station B, and the base station D. The threshold value of the number of the preset base stations is 3, and only two base stations with the same ID indicate that the monitored object still has relatively large position movement, and the wearable device needs to acquire position information again.
Optionally, after the step of comparing the current motion state information with previous motion state information acquired during the previous position query to acquire motion state change information and determining whether the motion state change information meets a preset motion state condition, the method further includes:
if not, the positioning module is started to acquire the current position information.
In this embodiment, if a difference between the current motion state information and the previous motion state information is greater than a preset motion state threshold, it indicates that the position of the wearable device is changed greatly, and the wearable device needs to acquire correct position information again. At this time, the wearable device starts a positioning module to acquire corresponding GPS data, WiFi ID and base station identification ID.
Optionally, the step of outputting the location information obtained in the previous location query includes:
and sending the position information acquired in the last position inquiry to a server.
In this embodiment, when the difference between the current motion state information and the previous motion state information is smaller than the preset motion state threshold and the difference between the current network state information and the previous network state information is not smaller than the preset network state threshold, it may be considered that the location where the wearable device is located is the same as the location queried last time, and at this time, the wearable device may send the previous location information acquired last time to the server.
Optionally, the step of sending the location information obtained in the previous location query to the server includes:
and sending the GPS data, the WiFi ID and the base station identification ID which are detected by the wearable device in advance to a server.
In this embodiment, wearable equipment is provided with GPS module, wiFi module and wireless module, can detect corresponding GPS data, wiFi ID and basic station identification ID simultaneously. The wearable device sends the last detected GPS data, WiFi ID and base station identification ID to the server. That is to say, wearable equipment directly passes to the server with last location time node's positional information directly, has accelerated the speed of location like this, has reduced the use consumption of equipment simultaneously.
Optionally, after the step of sending the GPS data, the wifi ID, and the base station identification ID detected by the wearable device to the server in advance, the method further includes:
processing the GPS data, the WiFiID and the base station identification ID through the server to obtain accurate position information of the wearable device;
and sending the accurate position information to a monitoring terminal through the server.
In this embodiment, the server analyzes the GPS data, the WiFi ID, and the base station identification ID uploaded by the wearable device, and acquires the accurate location information of the wearable device. And then sends the accurate position information to the guardian's monitoring terminal. In this way, the guardian can view the precise position of the monitored object to realize the monitoring responsibility of the monitored object.
According to the positioning method of the wearable device, whether large change occurs or not is judged by comparing the motion state information and the network state information of the wearable device within a period of time, and if the motion state information and the network state information do not change greatly, the position information acquired last time is sent to the server. Under the condition that the motion state information and the network state information monitored by the wearable device do not change greatly, the position of the wearable device can be presumed not to change greatly. Therefore, under the condition that the person under guardianship does not generate position change with larger distance, the wearable device does not need to start the GPS or WIFI, and the power consumption of the device is greatly reduced.
Referring to fig. 2, an embodiment of the present invention further provides a wearable device, including:
the information acquiring module 10 is configured to acquire current motion state information and current network state information of the wearable device according to the location query instruction;
a first judging module 20, configured to compare the current motion state information with previous motion state information obtained in a previous position query, obtain motion state change information, and judge whether the motion state change information meets a preset motion state condition;
a second determining module 30, configured to compare the current network state information with previous network state information obtained in a previous position query, obtain network state change information, and determine whether the network state change information meets a preset network state condition;
and the output module 40 is configured to output the position information acquired in the previous position query if the position information meets the condition.
A wearable device is a portable device that is worn directly on the body or integrated into the clothing or accessories of the user. Wearable devices exist in the form of portable accessories which have a part of computing functions and can be connected with mobile phones and various terminals, and the mainstream product forms include watch types (including products such as watches and wristbands) which are supported by wrists, shoes types (including shoes, socks or other future leg wearing products) which are supported by feet, Glass types (including glasses, helmets, headbands and the like) which are supported by heads, and various non-mainstream product forms such as smart clothes, schoolbag, crutch, accessories and the like.
In this embodiment, the wearable device has an accurate positioning function. A wearable device may refer to a device worn by a guardian to obtain a precise location of a monitored subject. The monitored objects include but are not limited to children, the elderly, other non-behavioral individuals, and pets. Since the wearable device is worn on the monitored subject, the position of the wearable device is consistent with the position of the monitored subject.
In the information obtaining module 10, the position query instruction is mainly used for querying the position of the monitored object, i.e. the accurate position of the wearable device. The location query instruction may be issued by a monitoring terminal used by the guardian. The monitoring terminal can be a smart phone or a tablet computer. The motion state information refers to motion data monitored by a motion sensor on the wearable device. The motion state information is obtained to determine whether the wearable device has a large displacement. The network state information refers to network state data monitored by a radio frequency module on the wearable device. The network state information is acquired to judge the network environment where the wearable device is located, particularly the data of the base station is changed greatly, so as to judge whether the wearable device generates large displacement.
In the first determining module 20, the wearable device records related data of last acquired position information, including previous position information and previous motion state information corresponding to the previous position information. And comparing the current motion state information with the previous motion state information to judge whether the motion state of the wearable equipment has larger change. If the motion state of the wearable device is larger than the preset motion state threshold value, the monitored object wearing the wearable device makes a certain amount of motion, and the monitored object may be far away from the original position.
In the second determination module 30, data related to last obtaining of the location information, including previous location information and previous network status information corresponding to the previous location information, is recorded on the wearable device. And comparing the current network state information with the prior network state information to judge whether the network environment of the wearable equipment has larger change. The network status information herein mainly refers to the base station identification ID and the number monitored by the wearable device. If the base station identification ID and the number monitored by the wearable device are changed greatly, the wearable device is indicated to have large displacement.
In the output module 40, if the monitored object does not change its motion state and the network environment where the monitored object is located is substantially unchanged, it indicates that there is no great change in the location where the wearable device is located. At this time, the previous location information obtained last time may be sent to the server in response to the location query instruction. Because the position of the wearable device is not changed greatly, the device directly uses the prior position information without starting a positioning module, and the purposes of quick positioning and power consumption reduction are achieved.
Optionally, the information obtaining module 10 includes:
and the step number obtaining unit is used for obtaining the current step number value detected by the wearable device according to the position inquiry instruction.
In this embodiment, the current motion state information is a step value detected by the wearable device. An accelerometer may be provided in the wearable device to measure step values. When receiving the location query instruction, the wearable device acquires and records the current step value.
Optionally, the first determining module 20 includes:
the step number comparison unit is used for comparing the current step number value with a previous step number value obtained in the last position inquiry to obtain a step number difference value and judging whether the step number difference value is smaller than a preset step number threshold value or not;
and the motion state judgment unit is used for determining that the motion state change meets a preset motion state condition if the step number difference value is smaller than the preset step number threshold value.
In this embodiment, when the motion state information is the step number value detected by the wearable device, the wearable device subtracts the current step number value from the last step number value detected and recorded, and calculates a difference value. And then comparing the difference value with a preset step threshold value. If the difference value is smaller than the preset step number threshold value, the monitored object only moves in a small range, and the position of the monitored object is basically unchanged. If the difference value is greater than or equal to the preset step number threshold value, it indicates that the monitored object only moves in a large range, the position of the monitored object is changed greatly, and the monitored object needs to obtain the position of the monitored object again.
Optionally, the information obtaining module 10 includes:
and the base station identification ID and number obtaining unit is used for obtaining the number of the base stations and the base station identification ID monitored by the wearable equipment according to the position inquiry instruction.
In this embodiment, the wearable device further determines whether the wearable device has displaced by monitoring a network environment in which the device is located. For example, when the monitored object is in a moving vehicle, the motion sensor cannot monitor the displacement information of the monitored object. It is important to monitor the network environment where the wearable device is located. Because each base station has its own specific ID, the ID and number of base station identifications monitored at different locations will be different. Whether the monitored object leaves the original position or not can be judged according to the monitored base station identification IDs and different numbers.
Optionally, the second determining module 30 includes:
the base station comparison unit is used for comparing the base station number and the base station identification ID with the prior base station number and the base station identification ID corresponding to the prior position information and judging whether the number of the same base station identification ID is not less than a preset base station number threshold value or not;
a network state judging unit, configured to determine that the network state change information conforms to a preset network state condition if the number of the same base station identifiers ID is not less than the preset base station number threshold
In this embodiment, the wearable device determines whether the monitored object leaves the original location according to the monitored base station identifiers ID and the monitored base station identifiers in different numbers. For example, the wearable device monitors 3 base station signals at the last time, namely, the base station a, the base station B, and the base station C, and monitors 3 base station signals at the present time, namely, the base station a, the base station B, and the base station D. The threshold value of the number of the preset base stations is 3, and only two base stations with the same ID indicate that the monitored object still has relatively large position movement, and the wearable device needs to acquire position information again.
Optionally, the method further includes:
and the positioning module is used for starting the positioning module to acquire the current position information if the first judgment module does not meet the condition.
In this embodiment, if a difference between the current motion state information and the previous motion state information is greater than a preset motion state threshold, it indicates that the position of the wearable device is changed greatly, and the wearable device needs to acquire correct position information again. At this time, the wearable device starts a positioning module to acquire corresponding GPS data, WiFi ID and base station identification ID.
Optionally, the output module 40 includes:
and the sending unit is used for sending the position information acquired in the last position inquiry to the server.
In this embodiment, when the difference between the current motion state information and the previous motion state information is smaller than the preset motion state threshold, and the difference between the current network state information and the previous network state information is not smaller than the preset network state threshold, it may be considered that the location where the wearable device is located is the same as the location queried last time. At this time, the wearable device may send the previous location information acquired last time to the server.
Optionally, the sending unit includes:
and the sending subunit is used for sending the GPS data, the WiFi ID and the base station identification ID which are detected by the wearable device to a server.
In this embodiment, wearable equipment is provided with GPS module, wiFi module and wireless module, can detect corresponding GPS data, wiFi ID and basic station identification ID simultaneously. The wearable device sends the last detected GPS data, WiFi ID and base station identification ID to the server. That is to say, wearable equipment directly passes to the server with last location time node's positional information directly, has accelerated the speed of location like this, has reduced the use consumption of equipment simultaneously.
Optionally, the output module 40 further includes:
the data processing unit is used for processing the GPS data, the WiFiID and the base station identification ID through the server to obtain accurate position information of the wearable device;
and the sending result unit is used for sending the accurate position information to the monitoring terminal through the server.
In this embodiment, the server analyzes the GPS data, the WiFi ID, and the base station identification ID uploaded by the wearable device, and acquires the accurate location information of the wearable device. And then sends the accurate position information to the guardian's monitoring terminal. In this way, the guardian can view the precise position of the monitored object to realize the monitoring responsibility of the monitored object.
The wearable device provided by the invention judges whether a large change occurs by comparing the motion state information and the network state information of the wearable device within a period of time, and sends the position information acquired last time to the server if the change does not occur. Under the condition that the motion state information and the network state information monitored by the wearable device do not change greatly, the position of the wearable device can be presumed not to change greatly. Therefore, under the condition that the person under guardianship does not generate position change with larger distance, the wearable device does not need to start the GPS or WIFI, and the power consumption of the device is greatly reduced.
The above description is only an example of the present invention, and is not intended to limit the present invention, and it is obvious to those skilled in the art that various modifications and variations can be made in the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (2)

1. A method for positioning a wearable device, comprising:
the wearable device acquires current motion state information and current network state information of the wearable device according to the position query instruction;
comparing the current motion state information with previous motion state information acquired in the last position inquiry to acquire motion state change information, and judging whether the motion state change information meets a preset motion state condition; comparing the current network state information with previous network state information acquired in the last position inquiry to acquire network state change information, and judging whether the network state change information meets a preset network state condition;
if the position information meets the conditions, outputting the position information acquired in the previous position query;
the step of comparing the current network state information with previous network state information acquired during previous position query to acquire network state change information and judging whether the network state change information meets preset network state conditions includes:
comparing the current base station number and the base station identification ID with the previous base station number and the base station identification ID acquired in the previous position inquiry, and judging whether the number of the same base station identification ID is not less than a preset base station number threshold value or not;
if the number of the same base station identification IDs is not smaller than the preset base station number threshold, determining that the network state change information meets the preset network state condition;
the step of outputting the location information acquired in the previous location query includes:
sending the position information acquired in the previous position inquiry to a server;
the step of sending the location information obtained in the previous location query to the server includes:
sending GPS data, WiFiID and base station identification ID which are detected by the wearable device in advance to the server;
processing the GPS data, the WiFiID and the base station identification ID through the server to obtain accurate position information of the wearable device;
sending the accurate position information to a monitoring terminal through the server;
the step of acquiring, by the wearable device, current motion state information of the wearable device according to the location query instruction includes:
the wearable device acquires a current step value detected by the wearable device according to the position inquiry instruction;
the step of comparing the current motion state information with previous motion state information acquired in the previous position query to acquire motion state change information, and judging whether the motion state change information meets a preset motion state condition comprises the following steps:
comparing the current step number value with a previous step number value obtained in the last position inquiry to obtain a step number difference value, and judging whether the step number difference value is smaller than a preset step number threshold value or not;
if the step number difference value is smaller than the preset step number threshold value, determining that the motion state change meets a preset motion state condition;
the step of acquiring, by the wearable device, current network state information of the wearable device according to the location query instruction includes:
and the wearable equipment acquires the current base station number and the base station identification ID monitored by the wearable equipment according to the position inquiry instruction.
2. A wearable device, comprising:
the information acquisition module is used for acquiring current motion state information and current network state information of the wearable device according to the position query instruction;
the first judgment module is used for comparing the current motion state information with previous motion state information acquired in the last position inquiry, acquiring motion state change information and judging whether the motion state change information meets a preset motion state condition;
the second judgment module is used for comparing the current network state information with the previous network state information acquired in the last position inquiry to acquire network state change information and judging whether the network state change information meets the preset network state condition or not;
the output module is used for outputting the position information acquired in the previous position inquiry if the position information meets the conditions;
wherein the second judging module comprises:
the base station comparison unit is used for comparing the current base station number and the base station identification ID with the previous base station number and the base station identification ID acquired in the previous position inquiry, and judging whether the number of the same base station identification ID is not less than a preset base station number threshold value or not;
a network state judging unit, configured to determine that the network state change information conforms to a preset network state condition if the number of the same base station identifier IDs is not less than the preset base station number threshold;
the output module includes:
the sending unit is used for sending the position information acquired in the last position inquiry to the server;
the transmission unit includes:
the transmitting subunit is used for transmitting the GPS data, the WiFi ID and the base station identification ID which are detected by the wearable device to a server;
the output module further comprises:
the data processing unit is used for processing the GPS data, the WiFiID and the base station identification ID through the server to obtain accurate position information of the wearable device;
the sending result unit is used for sending the accurate position information to the monitoring terminal through the server;
the information acquisition module comprises:
the step number obtaining unit is used for obtaining a current step number value detected by the wearable device according to the position inquiry instruction;
the first judging module comprises:
the step number comparison unit is used for comparing the current step number value with a previous step number value obtained in the last position inquiry to obtain a step number difference value and judging whether the step number difference value is smaller than a preset step number threshold value or not;
a motion state judgment unit, configured to determine that the motion state change meets a preset motion state condition if the step number difference is smaller than the preset step number threshold;
the information acquisition module comprises:
and the base station identification ID and number obtaining unit is used for obtaining the number of the base stations and the base station identification ID monitored by the wearable equipment according to the position inquiry instruction.
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